Robert W. Bly
Understand the listening process and follow these guidelines to become a better listener.
Maximize workplace efficiency via implementation of best practices using workflow modeling and automation.
Lanny A. Robbins
The Robbins tuning rules can reduce the variability of control loop response to about 60% of that observed with Ziegler-Nichols tuning rules.
Richard P. Palluzi
Such projects require enormous planning, experienced staff, and substantial time and money to complete.
Stanley G. Grossel
These commonly used devices rely on an internal medium to extinguish flame fronts and take the punch out of shock waves, protecting piping, equipment and personnel. Selecting such equipment involves considering the probable type of combustion,...
A thorough crisis-management plan will enable your organization to respond to a crisis promptly and appropriately. Here's how to develop an effective plan.
The equivalent critical pressure may be used in the Thomson equation to accurately calculate compressed volumes for highly polar fluids at high pressures.
Peter R. Lantos
Here’s what you should know about the litigation process to serve as a successful technical witness.
Lionel O'Young, Vaibhav V. Kelkar
Here is how to integrate overall process development activities and identify practices that facilitate commercial process development.
Lisa L. Walker
Search firms and executive recruiters can be powerful allies in a competitive employment environment.This article puts their role in context and provides guidelines on how to work effectively with them.
Daniel R. Summers
Use this procedure to design four-pass distillation column trays and to balance the vapor/liquid ratio on each tray panel.
J. Howard Kelly, P.E.
Efficient and reliable pumps can significantly improve a plant’s bottom line. This article reviews important concepts that a chemical engineer must understand and the factors that need to be considered when selecting radial-flow centrifugal pumps.
Centrifugal pumps play a central role in chemical processing. Proper pump operation and maintenance can improve a facility's productivity, reduce downtime, and trim costs.
R. Wayne Garland
Using a formal change procedure promotes safe operations and prevents injuries and deaths, and it will also favorably impact the bottom line.
High temperatures, stresses, and the presence of elements such as oxygen, sulfur, or the halogens can add up to trouble. Here is how to screen candidate alloys for such service.
You really can't guarantee that applications work correctly unless you take specific steps to validate the software.
Jason L. Bagley
Here's a rundown on what submerged combustion is, its advantages and limitations, and how to implement the technology. JasonL.Bagley-
Yogesh B. Trivedi
By implementing Six Sigma at its ethylene unit, Sasol has been able to recover as much as 65% of the opportunities that could have been lost.
Miquel A. Alos, Jose J. Macias-Hernandez, Iban Grau
A rigorous dynamic process simulator can be used to evaluate alternative control strategies for an exothermic reacting process in order to improve its safety and product quality.
Follow these guidelines to calculate how fast a pool of spilled liquid will spread across a surface, vaporize and possibly form a flammable mixture with air.
Stephen A. Roosz
Take advantage of the Freedom of Information Act to obtain information while protecting your regulatory submissions to the extent possible.
Robert Mackey, Tim Flanigan
Today, validation is no longer an afterthought for the design and construction of a new or renovated process or facility. It is, in fact, recognized as an integral part of the total project. Fully integrated services are now available to ensure a...
Marilyn W. Blaschke, Roger D. Metzler
Prevent corrosion, emulsification and fouling by implementing these operational and chemical measures.
Douglas J. Cooper, Robert Rice
Use this tuning recipe for the classic integrating process control challenge.
Eldon R. Larsen
A project team is more than a group of talented professionals. It is an interdependent unit, empowered with understanding, accountabilities and mutual support that permit it to achieve goals — both organizational and personal — more efficiently and...
Ning Yang, Jinghai Li, Wei Wang, Wei Ge, Chris Guenther, Anthony Cugini, Madhava Syamlal
Computational science will play a key role in accelerating technology development and in the realization of virtual process engineering.
Mary Ellen Ternes, Arnold W. Reitze Jr.
A legal framework governing carbon sequestration will need to be put in place before major carbon capture and storage (CCS) projects can get underway. A final rule issued under the Safe Drinking Water Act sets minimum requirements, but this is just...
Updates in this issue include: State of the Union Address Identifies Importance of Manufacturing and Energy to U.S. Economy Scorpions Inspire Tough Surface Nanorods Line Up for Assembly Nanosphere Structure Boosts Light Absorption Zeolite Catalyst...
Ethanol, the leading incumbant biofuel, has several limitations.Butanol overcomes many of these, and holds promise as the next important transportation biofuel.
Bill Lyons, James W. Noel
Check out the valve choices that are available and make an informed decision on which one is right for your application.
Dennis Vauk, Ian Moore, Nick Hallale
In a petroleum refinery, viewing hydrogen as an asset rather than a liability can lead to increased profits. The key is in the mindset. A typical investor uses money to make money. This article shows you how to use hydrogen to make money.
Thomas L. Krieger, Hermann J. Feise, Steven W. Couch, Timothy Bell
Gain insight as to what screw feeder is best for your application. Plus, learn how to size, specify and test screw feeders.
Use this straightforward approach to check which of your sites are likely to have chemical reactivity hazards that need to be managed.
Jeffrey D. Kelly
Two new views for production modeling are introduced - production flow networks and production flow maps - that focus on unit operations and feedstocks, respectively.
Phillip H. Williams
Although the sparsity of effects principle is still good advice, we need to be careful of emphasizing it too much -- to the point that it becomes an assumed practice, rather than a useful rule of thumb.
Norrazi Misran, Mohd Hisham Samingin, Zainuddin A. Manan, Sharifah Rafidah Wan Alwi
Use the Systematic Hierarchical Approach for Resilient Process Screening (SHARPS) technique to quickly and systematically isolate cost-effective and affordable water management options prior to design.
Palligarnai T. Vasudevan, Gael D. Ulrich
A plant's intrinsic cleanliness is determined during the predesign stage. This article provides guidance for making critical decisions during preliminary design.
Terrence L. Chambers, James R. Reinhardt
Use this optimization-based approach to analyze multi-component, multi-phase Equilibria.
Phillip E. Savage, P.E.
Sustainability encompasses green chemistry and green engineering, among other concepts. This article explores some of the principles of sustainability and provides a framework for developing a lifecycle approach to chemical engineering.
Most chemical engineering curricula do not adequately address mixing as it is commonly practiced in the chemical process industries. This article attempts to fill in the gaps by explaining flow patterns, mixing techniques, and the turbulent,...
Adrian L. Sepeda
A structured risk-based approach defines the pathways to successful implementation of process safety management objectives
Gary Blau, Gavin Sinclair
New product development projects can be risky business. Learn how to incorporate uncertainty and risk analysis into the new product development process.
This membrane process has found growing use for dehydrating organics. Uses keep increasing, mostly due to development of new, high-temperature membranes.
Mark S Sowell III, Gregory K McMillan, Michael M Mansy
The ability to warehouse process and control system knowledge offers a vast potential for improved operations by sharing a common source of information and avoiding data duplication.
James M. Wheeler
The success of Six Sigma vs. classic quality metrics lies in its ability to more usefully measure defects.
Vince Tassone, Chorng H. Twu, Wayne Sim
Understanding the strengths and limitations of a cubic equation of state (CEOS) is crucial for selecting the right one for your flowsheet simulation.
Milena D. Kekich, Karen D. Smith, Brad A. Walker
Disrupting normal sleep/wake cycles causes fatigue and reduces alertness. Here are some preventive measures that can improve the performance of employees in 24-h operations.
Mihail C. Roco, Mindy Rittner, Daniela L. Carrillo, Paul Holister, Cristina Roman Vas, Tim Harper
Nanotechnology, as a whole, is still an emerging area with the need to make progress in both scientific and technological terms before enormous commercialization of products may occur. Nevertheless, commercial products are out there — more in some...
Jill Barson Gilbert
Information technology issues are just as important as business and environmental, health and safety considerations. Follow these ten tips to deply an effective EMIS with a positive return on investment.
Frank Parma , Wu Chen
Proper design and scaleup of a membrane filtration system requires an understanding of the availability of membrane material, pore size and module configurations. These practical guidelines will help in the selection process.
With a better understanding of seals, their selection, material considerations, and operation requirements, users can greatly improve equipment reliability and reduce operating costs.
George Buckbee, P.E.
Work-style and communication differences often result in a disconnect between managers and engineers. Bridging this culture gap will allow managers to make better business decisions and bring engineers the understanding and recognition they deserve.
The production of stem-cell-based therapeutic products in large quantities is more complex than manufacturing molecular drugs. Scale-up and scale-out challenges arise related to the type of stem cell, cell expansion and banking, sterile handling,...
Michael T. Cleary, David A. Berg
Pilot-scale experimentation is essential to establish a sound foundation for a new chemical processing unit. These best practices can reduce the time and cost involved in process development.
Dennis C. Hendershot
Build safety into your process by substituting less-hazardous materials and chemistry, minimizing inventories and equipment sizes, moderating operating conditions, and simplifying unnecessarily complex operations.
Corrine L. Kupstas
Follow this engineer's career path as she shares her thoughts on the transitions she has made and how family considerations factored into her career decisions.
Satish C. Mohapatra
Consider such factors as thermophysical properties, toxicity, environmental concerns, and economics when choosing a fluid.
Mohamad R. Jafari Nasr, Graham T. Polley
Following this procedure to identify a basic exchanger geometry without performing a full exchanger design and to evaluate where and when heat transfer enhancement can be of benefit.
James L. Manganaro
Finding the throughput of a multiple-unit, multiple-step operation, even when it is relatively uncomplicated, is not always an easy matter. Several equations and graphical aids are provided to help determine yearly capacity.